Nonlinear optical semiconductor nanocrystals and their photonic applications

Qiguang Yang; Jaetae Seo; William Yu; SungSoo Jung; Bagher Tabibi; Jessica Freeman

doi:10.1117/12.821292

18 February 2009 Nonlinear optical semiconductor nanocrystals and their photonic applications

Qiguang Yang, Jaetae Seo, William Yu, SungSoo Jung, Bagher Tabibi, Jessica Freeman

Proceedings Volume 7276, Photonics and Optoelectronics Meetings (POEM) 2008: Laser Technology and Applications; 72761P (2009) https://doi.org/10.1117/12.821292
Event: Photonics and Optoelectronics Meetings, 2008, Wuhan, China

Abstract

Nonlinear optical materials with large third-order nonlinear susceptibilities and appropriate response time have attracted great interests recently because of their potential applications of optical computing, ultrafast switching, optical power limiting, and group velocity manipulation. Among nonlinear optical materials, semiconductor nanocrystals, metal nanoparticles, and organic materials have been intensively studied since their nonlinear optical properties may be tuned by varying their sizes and surface/interface environments. Recently, we investigated the third-order nonlinear optical properties of semiconductor nanocrystals both theoretically and experimentally. The possible physical limitation of the third-order nonlinear susceptibility of typical semiconductor nanocrystal as well as the ways to optimize its nonlinearity has been studied. Experimental measurements have been compared with theoretical calculations on linear and nonlinear optical properties of cadmium chalcogenide semiconductor nanocrystals for the photonic applications of optical switching, optical power limiting, and group velocity manipulation.

Citation Download Citation

Qiguang Yang, Jaetae Seo, William Yu, SungSoo Jung, Bagher Tabibi, and Jessica Freeman "Nonlinear optical semiconductor nanocrystals and their photonic applications", Proc. SPIE 7276, Photonics and Optoelectronics Meetings (POEM) 2008: Laser Technology and Applications, 72761P (18 February 2009); https://doi.org/10.1117/12.821292

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